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arXiv · 2606.15206

AI Contagion in Social Networks

Olivier Bos·Stefano Bosi
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Abstract

We study how artificial intelligence (AI) interacts with social communication networks to shape the stability of collective knowledge. Agents exchange information through a network while AI systems generate content and retrain on the aggregate informational environment they influence. This interaction creates a recursive feedback loop in which informational distortions diffuse through society and subsequently feed back into future AI outputs. Despite the high dimensionality of the environment, we show that the long-run dynamics admit a two-dimensional representation whose spectral radius completely characterizes the stability of AI-mediated information systems. We derive a sharp regulatory frontier identifying the minimum filtering required for stability and show how homophily and core-periphery network structures shape systemic informational risk.

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Olivier Bos, Stefano Bosi. 2026-06-13. AI Contagion in Social Networks. https://arxiv.org/abs/2606.15206

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